RCA-Victor-Co-Inc-86X 电路原理图.pdf

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1、PAGE 358-B MODEL 86X Six -Tube, Two -Band, AC -DC, Superheterodyne Receiver Model 86X FREQUENCY RANGES LB-OSC SN- 7 35 TOP FRONT OF CHASSIS C5-0SC 15000 K.C. CI -AMRIR 15.000N C. SOn -Radiotron, Coil, and Trimmer Locations Electrical Specifications Broadcast (A) 540.1,720 kc Short Wave (C) 5,800.18,

2、000 kc R -F ALIGNMENT FREQUENCIES Broadcast (A)600 kc (osc.) Short Wave (C)15,000 kc (osc., ant.) Intermediate Frequency 460 kc RADIOTRONCOMPLEMENT (1) RCA -6A7 First Detector-Oscillator(4) RCA -43 Audio Power Amplifier (2) RCA -6D6 Intermediate Amplifier(5) RCA -25Z5 Half -Wave Rectifier (3) RCA -7

3、5 Second Det., A -F Amp. and A.V.C.(6) RCA -135K1 Ballast Pilot Lamp (1) Mazda No. 40, 6.3 volts, 0.15 ampere POWER SUPPLY RATINGS A -C Rating 105.125 volts, 50.100 cycles, 58 wattsD -C Rating 105.125 volts, 58 watts POWER OUTPUT-(125volt, A -C supply) POWER OUTPUT-(125 volt, D -C supply) Undistorte

4、d 0.5 wattUndistorted0.4 watt Maximum 1.2 wattsMaximum 1.0 watt LOUDSPEAKER Type 6 -inch Electrodynamic Impedance (V.0 ) (84003.3) 2.6 ohmsl. at 400 cycles (84003.4) 3.4 ohms Alignment Procedure Calibrate the tuning dial by adjusting dial pointer to the center horizontal line with the gang tuning -c

5、ondenser plates in full -mesh position. This is a screw -driver adjustment. Order of Alignment Test Oscillator Range- Selector Receiver Dial Setting Circuit to Adjust Adjustment Symbols Adjust to Obtain Connection to Receiver Dummy Antenna Frequency Setting 1 6D6 I -F Grid Cap .001 Mfd.460 kc A Left

6、 No Signal 550-750 kc 2nd I -F Trans. L9Max. (peak) 2 6A7 Det. Grid Cap .001 Mfd.460 kc A Left No Signal 550-750 kc 1st I -F Trans. IA and L5Max. (peak) 3 Ant. Lead (blue) 300 Ohms15,000 kc C Right 15,000 kcC Osc.C5Max. (Peak)t 4 Ant. Lead (blue) 300 Ohms15,000 kc C Right Rock Through 15,000 kc oc,

7、Ant. ClMax. (peak)*$ 5 Ant. Lead (blue) 200 Mmfd.600 kc A Left 600 kcA Osc.L8Max. (peak) t Use maximum capacity peak if two peaks can be obtained. * Use minimum capacity peak if two peaks can be obtained. After this adjustment, check for image signal by shifting receiver dial to 15,920 kc. RCA VICTO

8、R DIVISION OF RADIO CORPORATION OF AMERICA, CAMDEN N. 1., U. S. A. 收音机爱 好者资料库 RadioFans.CN PAGE 359-B 86X RANGE SELECTOR SHOWN IN -A BAND POSITION. ROTATE KNOB CLOCK WISE FOR1,DET. Frtoil MMF C30 PORES. ONLY C6 13-400 MMF. 0.In 4 .L8 116D6 Cla 110 MMF C14 41 MMF VOLUME CONTROL L7 0.43 5 8312.9a CB 4

9、70 F,t C9,-CIO .01 M FD O RI2 EC B2COA 500 L10-9.6. 2*DET AV C.c!ieOUTPUT st8, A.F.-75MFD.43 CIS X 0.25 M FO. C16 180 NINA 0 O 00, R5 250 0005 621 0.1 MG!) CI7 680 MMF do 510 390008 CI9 MFO 12,13 330010 TI MT, R9 270005 RECT. C27 .05MFD 2555 5 L13 FIELD L14 000 C31 ECCXf7L./j-02.2 Pr C24!C23 TOWED.1

10、16 MFO. 515R14 3305aan 51 POWER SW /=,SHAF101T RS 11 T) 126IDIRL LAMP RII 2.2 ME GS Rt3 IYIEGS. 2.55543QADL,101775 517-1354 R15-155 -. Ascr.mpnsets .E5,STPOCE O.6 BF1LLFIST -135K1r 1 5N-739 -Schematic Circuit Diagram (On some instruments, C17 is 150 Nimfd. Replace with Stock No. 14498.) r t 113v 103

11、 v. AC 1 RECT. 2525 Ec1. CT. ac.34P 803 I 1 CATHODE CURRENTS I11, -4 MA4 8.12MA ;-;11 I NJ 0.1 MA NA -243 MA RAW If. 2128010Ar0LAL2 .69MA 13301ST OUTPUTBALLA PR, Rir 43 ELECT CAP C24- I- . r- 7:-1161 1-135.0- lt._408.puo.r ,.1(0 -1i.5, I-13 111.7,:i. 1 -1 L,bi ,0 C). 1 1r 1A.L. 1t5rt. , 11 AG,903. L

12、1.5 v AS.i 110S,1 1 (-03:) 1 561r.I g L6.3vA.C.1 i .I I 1 L6.3a AL-04 , 1 I 1r K.to o it1I itI I I 1t I1t1I II1.3 -6.3v A4-1 _ _ _ TR ANS. -s DUCaSC 6A 7 TTI. 2. 1.F 2.4 OET TRANS A0(4 AUDIO 73 CA.606 F C 1-3.3+I BOTTOM REAR OF CHASSIS 622 .01 M F13 LII I I I HUM NEUT. COIL TrITIT 3111.13TI -PHIit(L

13、1) 240030 240.163730.33000 8400). EA0.124200.S30001 SPEAKER REST STANCES -Radiotron Socket Voltages, Coil, and Trimmer Locations Measured at 115 volts, 60 -cycle supply -For 115 -volt d -c supply approximately 10% lower, except heater voltage which remains the same -Tuned to approximately 1,000 kc (

14、Standard Broadcast -)-No signal being received -Volume control minimum. Note: Two voltage values are shown for some read- ings. The value shown in parentheses with asterisk (8) indicates operating conditions without voltmeter loading. A 收音机爱 好者资料库 RadioFans.CN PAGE 360-B 86X RK 0 O0 / SALL.AST TUBE

15、CONNECTIONS Precautionary Lead Dress- (1 )Dress power line leads to theonoff switch away from grid connection terminal on volume control to reduce hum pick-up. (2) Keep leads of capacitor C3 as short as possible.(3) Bus lead from range selector (ter. 6) to oscillator coil tap L6L8 should he main tai

16、ned 31/2 inches long for proper alignment.(4) Capacitor C25 should be dressed free of adjacent parts to maintain cor- rect alignment at high -frequency end of A band.(5) Bus lead from range selector (ter. 3) to antenna coil Lt should hi- maintained 21/4 inches lone for proper alignment.(6) The RCA -

17、6A7 grid -cap lead (50 -ohm resistor R18) to top of tun ing capacitor C2 should be dressed properly to prevent shorts and should be maintained flexible prevent acoustic howl. $I CONNECTIONS SPEAKERRESISTANCES 11 F TRANSF CONNECTIONS VF TRANSF. CONNECTIONS REPLACEMENT PARTS Insist on genuine Factory

18、-tested parts, which are readily identified and may be purchased from authorized dealers. STOCK No. DESCRIPTION STOCKOC No. DESCRIPTION RECEIVER ASSEMBLIES11400Resistor -27,000 Ohms-Carbon type, 4.watt (R9) 5029Resistor -56,000 Ohms-Carbon type, I watt (R2) 14634 Belt-Variable condenser drive belt11

19、323Resistor -270,000 Ohms-Carbon type,4 watt (R7) 14632 Bracket-Dial mounting bracket13733 Resistor -330,000 Ohms-Carbon type, 4 watt (R1, R8) 5237 Bushing-Variable condenser rubber mounting bushing13479Resistor -390,000 Ohms-Carbon type,4 watt (R10) 12118Cap-Grid contact cap 5035Resistor -560,000 O

20、hms-Carbon type,4 watt (R6) 12896Capacitor -15 Mmfd. (C25) 12679Resistor -2.2 Megohm-Insulated, 4 watt (R11) 12405Capacitor -47 Mmfd. (C14) 13601Resistor-I0 Megohm-Insulated, 4 watt (R13) 14262Capacitor -110 Mmfd. (C11, C12) 14649Resistor-Ballast resistor tube typeNo. 135K1 (R16, 12724Capacitor -120

21、 Mmfd. (C7) R17) 12406Capacitor -180 Mmfd. (C16) 5129Ring-Radiotron shield ring 30396Capacitor -470 Mmfd. (C8) 4389Screw-No. 6-32x3/16 headless set screw for pulley 14498Capacitor -680 Mmfd. (Ct7) No. 14639 30245Capacitor -.0045 Mfd. (C3) 14638Shaft-Station selector knob shaft and pulley 5005Capacit

22、or-.0035 Mfd. (C20) 12008Shield-First I.F. transformer shield 4858Capacitor-.01 Mfd. (C28) 12408Shield-Second I.F. transformer shield 13138Capacitor-.01 Mfd. (C9,C18, C22) 11265Shield-Radiotron shield 4836Capacitor-.05 Mfd. (C27) 14650Socket-Dial lamp socket 4839Capacitor -0.1 Mfd. (C26) 4786Socket

23、-6 -contact 6D6, 25Z5, 43 or 75 Radiotron socket 4841Capacitor -0.1 Mfd. (C4,C13, C19, C21) 4787Socket -7 -contact 6A7 Radiotron socket 4840Capacitor -0.25 Mfd. (C15) 11196Socket -8 -contactballastresistor socket 14643Capacitor -20 Mfd. (C24) 14637Spring-Idler pulley tension spring 14644Capacitor Pa

24、ck-Comprising one 16Mfd. and one8 Mfd. section (C10, C23) 12007Spring-Retaining springforcoreStockNos.12006 and 14848 14767Capacitor Pack-Comprising one 16Mfd. and one8 14640Switch-Range switch (S2, S3) Mfd. section and one clamp(for 25 cycle operation 14376Transformer-First I.F. transformer (L4, L5

25、, C11, C12) only)(C30, C31) 14642Transformer-Second I.F. transformer (L9,1.10,C14, 14646Coil-Antenna coil (L1, L2, L3) C16) 14647Coil-Oscillator coil (L6, L7, L8) 14645Volume Control and power switch (R5, S1) 14633Condenser -2 gang variable tuning condenser (C1, C2,REPRODUCER ASSEMBLIES C5, C6) 1468

26、2Cone-Reproducercone( L11 )forspeakermarked 14648Core-Adjustable core and stud for Oscillator coil 84003-3 12006 14631 Core-Adjustable core and stud for I.F. transformer Dial-Station selector dial 14938Cone-Reproducercone( L11 )forspeake.marked 84003-4 14651Drive-Variable condenser vernier drive and

27、 pinion gear 14681Reproducer Complete 14635Indicator-Station selector indicator pointer 14683Transformer-Outputtransformer(Ti)forspeaker 4340Lamp-Dial lamp marked 84003-3 14636Pulley-Idler pulley-less spring 14937Transformer-Outputtransformer(T1) forspeaker 14639 14641 Pulley-Variable condenser driv

28、e pulley-located on con- denser shaft Reactor-Filter reactor (L14) marked 84003-4 MISCELLANEOUS ASSEMBLIES 14525Resistor -22 Ohms-Carbon type, 4watt(R14)14854 Escutcheon-Station selector escutcheon and crystal 14653Resistor -50 Ohms-Flexible type, 1/10 watt (R18) 12673 Knob-Station selector, volume

29、control or range switch 14652Resistor -330 Ohms-Wire wound, 1watt (R15) knob 5159Resistor -2,200 Ohms-Carbon type,4 watt (R3) 14267Screw-Chassis mounting screw and washer 14296Resistor -8,200 Ohms-Carbon type,4 watt (R12) 4119Screw-No. 8-32:1/4 headless set screw for knob Stock 12759Resistor -15,000 Ohms-Carbon type,4 watt (R4) No. 12673 收音机爱 好者资料库 RadioFans.CN